Homework Answers
Discrepancies in PE and KE is mainly due to non conservative force like friction , drag etc. and Istep is accounted in Irod hence these discrepancies are not due to wrong value of moment of inertia.
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b Do you think that the discrepancies between |APEa and AKEpot can be accounted for by...
Experiment 2: Rotational KE and Moment of Inertia Data. Please help with Last Trial Experiment Il:...
Experiment 2: Rotational KE and Moment of Inertia Data. Please help
with Last Trial
Experiment Il: Rotational KE and Moment of Inertia Data Radius of step-pulley groove: r = _ 0.02 Rod: L = 0.25m Mw=_30 8 = 0.16 Average mass of brass weights: Mr = _50 Mass of falling body: M = 40 8 m 0000003 Wahl APE -m /s IR rad Diff % m g ΔΚΕ, g.m/s Bom rad/s rad/s 0.12.0024 .9408 0.05 .4 0.18 .0036 1.4112 0.10...
Two objects, A with mass mA=0.25 kg and B with mass mB=1.25 kg, are held at...
Two objects, A with mass mA=0.25 kg and B with mass mB=1.25 kg, are held at rest on a spring is released, A has a kinetic energy of 22 J and B has a kinetic energy of A) 110 J g is compressed between them. Immediately after the B) 5.5J C) 11 J D) 4.4 J E) 19.4 J 18. A certain wheel has a rotational inertia of 12 kg m2. As it turns through 5.0 rev its angular velocity...
For the system shown in Fig. 1, solve the following problems. (a) Find the transfer function, G(s...
For the system shown in Fig. 1, solve the following problems. (a) Find the transfer function, G(s)X2 (s)/F(s) (b) Does the system oscillate with a unit step input (f (t))? Explain the reason (c) Decide if the system(x2 (t)) is stable with a unit step input (f (t))? Explain the reason 1. 320) 8 kg 2 N/m 4N-s/m 2N-s/m Fig. 1 2. There are two suspensions for a car as shown in Fig. 2 (a) Find the equations of each...
You are trying to figure out how fast your BB gun can shoot. So you set...
You are trying to figure out how fast your BB gun can shoot. So you set up a block-spring system. By firing the BB into the block, the spring gets compressed. Specifics: Mass of BB = 8 grams, mass of block = 4.0 kg, spring compression = 3.7 cm, spring constant = 2500 N/m. Calculate the speed of the BB. 1 440 m/s 2 520 m/s 3 500 m/s 4 460 m/s 5 480 m/s Question 14 -- /5 What...
need the “exercise” answered. thanks PRACTICE IT Use the worked example above to help you solve this problem. A block with mass m 4.30 kg and a ball with mass m2 = 7.50 kg are connected by a lig...
need the “exercise” answered. thanks
PRACTICE IT Use the worked example above to help you solve this problem. A block with mass m 4.30 kg and a ball with mass m2 = 7.50 kg are connected by a light string that passes over a frictionless pulley, as shown in figure (a). The coefficient of kinetic friction between the block and the surface is 0.300. (a) Find the acceleration of the two objects and the tension in the string. a= 5.16...
can you answer both #1 (a&B) and #2 please 1. Write MATLAB code to do the...
can you answer both #1 (a&B) and #2 please
1. Write MATLAB code to do the following: (4 pts) a) Find the area of the circles where r=[7, 8, 10] using A = tr2 b) Find the distance traveled by a ball falling in the air is given by the equation x=x0+vot+ at?. Calculate the position of the ball at time t = 5s, XO = 10m, vo= 15 m/s, and a = 9.81 m/sec^2. Write MATLAB code to accomplish...
the question is in last picture. i provided the lab content... I need guidance. thank you....
the question is in last picture. i provided the lab content...
I need guidance. thank you.
INVESTIGATION 10 ROTATIONAL MOTION OBJECTIVE To determine the moment of inertia I of a heavy composite disk by plotting measured values of torque versus angular acceleration. THEORY Newton's second law states that for translational motion (motion in a straight line) an unbalanced force on an object results in an acceleration which is proportional to the mass of the object. This means that the heavier...
9. What do you think are most likely reasons for the difference between the experimental and...
9. What do you think are most likely reasons for the difference between the experimental and accepted values? 13 marks 10. Suppose that the centripetal force acting on an object in circular motion were doubled to a new value, and the object remained in a circular path with the same radius. How would the motion be affected? 13 marks Observations and Data; 17 marks time for 20 Centripe 1/T2 tal force (s2) Number of washers revolutions F/R (N/m) T (s)...
could you please solve a and b? Chapier 2i. Note: you needn't derive Kepler's laws-but do...
could you please solve a and b?
Chapier 2i. Note: you needn't derive Kepler's laws-but do mention when you are using them, an describe the physical concepts involved and the meanings behind the variables. u) Consider two stars Mi and M; bound together by their mutual gravitational force (and isolated from other forces) moving in elliptical orbits (of eccentricity e and semi-major axes ai and az) at distances 11 in n and r from their center of mass located at...
Please use the equation on the sheet below the question ONLY do box 2b-box 4. &...
Please use the equation on the sheet below the question
ONLY do box 2b-box 4. & the question
Trial Mass Amplitude Spring k (N/m) box 1 Ang Freq (o measured) Error Ang Freq (rad/s) (o expected) (grams) 250 (cm) (%) 1 5 box 2b box 2a 9.01 250 7.5 same as trial 1 box 3 XXXXXX XXXXXX 3 500 same as trial 1 2 x spring #1 Table 1: Simple Harmonic Motion lab data for springs 5 box 4 XXXXXX...
Experiment 2: Rotational KE and Moment of Inertia Data. Please help
with Last Trial
Experiment Il: Rotational KE and Moment of Inertia Data Radius of step-pulley groove: r = _ 0.02 Rod: L = 0.25m Mw=_30 8 = 0.16 Average mass of brass weights: Mr = _50 Mass of falling body: M = 40 8 m 0000003 Wahl APE -m /s IR rad Diff % m g ΔΚΕ, g.m/s Bom rad/s rad/s 0.12.0024 .9408 0.05 .4 0.18 .0036 1.4112 0.10...
Two objects, A with mass mA=0.25 kg and B with mass mB=1.25 kg, are held at rest on a spring is released, A has a kinetic energy of 22 J and B has a kinetic energy of A) 110 J g is compressed between them. Immediately after the B) 5.5J C) 11 J D) 4.4 J E) 19.4 J 18. A certain wheel has a rotational inertia of 12 kg m2. As it turns through 5.0 rev its angular velocity...
For the system shown in Fig. 1, solve the following problems. (a) Find the transfer function, G(s)X2 (s)/F(s) (b) Does the system oscillate with a unit step input (f (t))? Explain the reason (c) Decide if the system(x2 (t)) is stable with a unit step input (f (t))? Explain the reason 1. 320) 8 kg 2 N/m 4N-s/m 2N-s/m Fig. 1 2. There are two suspensions for a car as shown in Fig. 2 (a) Find the equations of each...
You are trying to figure out how fast your BB gun can shoot. So you set up a block-spring system. By firing the BB into the block, the spring gets compressed. Specifics: Mass of BB = 8 grams, mass of block = 4.0 kg, spring compression = 3.7 cm, spring constant = 2500 N/m. Calculate the speed of the BB. 1 440 m/s 2 520 m/s 3 500 m/s 4 460 m/s 5 480 m/s Question 14 -- /5 What...
need the “exercise” answered. thanks
PRACTICE IT Use the worked example above to help you solve this problem. A block with mass m 4.30 kg and a ball with mass m2 = 7.50 kg are connected by a light string that passes over a frictionless pulley, as shown in figure (a). The coefficient of kinetic friction between the block and the surface is 0.300. (a) Find the acceleration of the two objects and the tension in the string. a= 5.16...
can you answer both #1 (a&B) and #2 please
1. Write MATLAB code to do the following: (4 pts) a) Find the area of the circles where r=[7, 8, 10] using A = tr2 b) Find the distance traveled by a ball falling in the air is given by the equation x=x0+vot+ at?. Calculate the position of the ball at time t = 5s, XO = 10m, vo= 15 m/s, and a = 9.81 m/sec^2. Write MATLAB code to accomplish...
the question is in last picture. i provided the lab content...
I need guidance. thank you.
INVESTIGATION 10 ROTATIONAL MOTION OBJECTIVE To determine the moment of inertia I of a heavy composite disk by plotting measured values of torque versus angular acceleration. THEORY Newton's second law states that for translational motion (motion in a straight line) an unbalanced force on an object results in an acceleration which is proportional to the mass of the object. This means that the heavier...
9. What do you think are most likely reasons for the difference between the experimental and accepted values? 13 marks 10. Suppose that the centripetal force acting on an object in circular motion were doubled to a new value, and the object remained in a circular path with the same radius. How would the motion be affected? 13 marks Observations and Data; 17 marks time for 20 Centripe 1/T2 tal force (s2) Number of washers revolutions F/R (N/m) T (s)...
could you please solve a and b?
Chapier 2i. Note: you needn't derive Kepler's laws-but do mention when you are using them, an describe the physical concepts involved and the meanings behind the variables. u) Consider two stars Mi and M; bound together by their mutual gravitational force (and isolated from other forces) moving in elliptical orbits (of eccentricity e and semi-major axes ai and az) at distances 11 in n and r from their center of mass located at...
Please use the equation on the sheet below the question
ONLY do box 2b-box 4. & the question
Trial Mass Amplitude Spring k (N/m) box 1 Ang Freq (o measured) Error Ang Freq (rad/s) (o expected) (grams) 250 (cm) (%) 1 5 box 2b box 2a 9.01 250 7.5 same as trial 1 box 3 XXXXXX XXXXXX 3 500 same as trial 1 2 x spring #1 Table 1: Simple Harmonic Motion lab data for springs 5 box 4 XXXXXX...
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